save code

example/build.gradle

@@ -10,7 +10,7 @@ android {
 
     defaultConfig {
         applicationId "com.inewme.uvmirror.f20260113"
-        minSdk 30
+        minSdk 29
         targetSdk 36
         versionCode 1
         versionName "1.0"

example/src/main/AndroidManifest.xml

@@ -23,7 +23,11 @@
 
         <activity
             android:name=".MakeupActivity"
-            android:exported="false" />
+            android:exported="false"
+            android:screenOrientation="portrait"
+            android:configChanges="orientation|screenSize|screenLayout|keyboardHidden|keyboard|navigation|smallestScreenSize" />
+        <!-- MakeupActivity 继承 FaceActivity，face_sdk 渲染目前只支持竖屏。
+             configChanges 与 FaceActivity 保持一致，避免软键盘/导航栏触发重建。 -->
     </application>
 
 </manifest>

example/src/main/java/com/inewme/uvmirror/MainActivity.kt

@@ -5,16 +5,27 @@ import android.os.Bundle
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
 import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.selection.selectable
 import androidx.compose.material3.Button
 import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.RadioButton
 import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.semantics.Role
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.tooling.preview.Preview
+import androidx.camera.core.CameraSelector
+import com.hmwl.face_sdk.FaceActivity
 
 class MainActivity : ComponentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -36,17 +47,30 @@ fun MyApp(modifier: Modifier = Modifier) {
 
 @Composable
 fun Greeting(name: String, modifier: Modifier = Modifier) {
-    val context = LocalContext.current // 获取上下文用于启动 Activity
+    val context = LocalContext.current
+    // 默认前置：化妆/美妆类典型场景。
+    // 用 CameraSelector.LENS_FACING_FRONT / LENS_FACING_BACK 直接当 state，省去
+    // 中间枚举类型，最后通过 Intent extra 透传给 FaceActivity。
+    var lensFacing by remember { mutableStateOf(CameraSelector.LENS_FACING_FRONT) }
 
     Column(
         modifier = modifier.padding(16.dp)
     ) {
         Text(text = "Hello $name!")
 
+        LensFacingRadioGroup(
+            selected = lensFacing,
+            onSelected = { lensFacing = it }
+        )
+
         Button(
             onClick = {
-                // 跳转到 MakeupActivity
-                val intent = Intent(context, MakeupActivity::class.java)
+                val intent = Intent(context, MakeupActivity::class.java).apply {
+                    // FaceActivity 在 onCreate 里读这个 extra 来决定 CameraSelector 朝向
+                    // 与 isFrontCamera 镜像逻辑；缺省时（旧调用方）走 LENS_FACING_BACK，
+                    // 向后兼容。
+                    putExtra(FaceActivity.EXTRA_LENS_FACING, lensFacing)
+                }
                 context.startActivity(intent)
             }
         ) {
@@ -55,10 +79,43 @@ fun Greeting(name: String, modifier: Modifier = Modifier) {
     }
 }
 
+@Composable
+private fun LensFacingRadioGroup(
+    selected: Int,
+    onSelected: (Int) -> Unit,
+    modifier: Modifier = Modifier
+) {
+    val options = listOf(
+        CameraSelector.LENS_FACING_FRONT to "前置摄像头",
+        CameraSelector.LENS_FACING_BACK to "后置摄像头"
+    )
+    Column(modifier = modifier.padding(vertical = 8.dp)) {
+        Text(text = "摄像头朝向")
+        options.forEach { (value, label) ->
+            Row(
+                modifier = Modifier
+                    .selectable(
+                        selected = (value == selected),
+                        onClick = { onSelected(value) },
+                        role = Role.RadioButton
+                    )
+                    .padding(vertical = 4.dp),
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                RadioButton(
+                    selected = (value == selected),
+                    onClick = null
+                )
+                Text(text = label, modifier = Modifier.padding(start = 8.dp))
+            }
+        }
+    }
+}
+
 @Preview(showBackground = true)
 @Composable
 fun GreetingPreview() {
     MaterialTheme {
         Greeting("Android")
     }
-}
+}

example/src/main/java/com/inewme/uvmirror/MakeupActivity.kt

@@ -8,6 +8,7 @@ import android.view.KeyEvent.KEYCODE_BACK
 import android.view.MotionEvent
 import androidx.lifecycle.lifecycleScope
 
+import com.hmwl.face_sdk.DebugLog
 import com.hmwl.face_sdk.FaceActivity
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.delay
@@ -29,9 +30,12 @@ class MakeupActivity : FaceActivity()
             }
         }
 
+        DebugLog.i("MakeupActivity", "onCreate: starting LoadMotionList(sequenceAll=$sequenceAll)")
         // 首先一次性加载当前业务逻辑所要求的所有动画资源， 之后就可以任意跳转，和播放，不用考虑状态
         motionMgr.LoadMotionList(sequenceAll){
             //当加载完成了所有资源后会回调
+            DebugLog.i("MakeupActivity",
+                "LoadMotionList callback fired -> isMotionLoadFinished=true (sequenceAll=$sequenceAll)")
             isMotionLoadFinished = true
         }
     }
@@ -58,6 +62,7 @@ class MakeupActivity : FaceActivity()
         if(isMotionLoadFinished)
         {
             if(elapsedTime == 0){
+                DebugLog.i("MakeupActivity", "update: first call -> PlayMotionList(sequenceA=$sequenceA, loop=true)")
                 //这次播放是一直循环播放，我们不需要判断动画是否播放完成, 回调函数直接传入null
                 PlayMotionList(sequenceA, true, null)
             }
@@ -65,17 +70,21 @@ class MakeupActivity : FaceActivity()
             elapsedTime += 10 // 动画加载完成后开始计时，每次调用增加 10ms
 
             if(elapsedTime == 10*1000){
+                DebugLog.i("MakeupActivity", "update: 10s tick -> StopMotion()")
                 //暂停动画
                 StopMotion()
             }
 
             if(elapsedTime == 10*1000 + 5*1000){
+                DebugLog.i("MakeupActivity", "update: 15s tick -> ResumeMotion()")
                 //恢复播放动画
                 ResumeMotion()
             }
 
             if(elapsedTime == 10*1000 + 5*1000 + 8*1000){
+                DebugLog.i("MakeupActivity", "update: 23s tick -> PlayMotionList(sequenceB=$sequenceB, loop=true)")
                 PlayMotionList(sequenceB, true){
+                    DebugLog.i("MakeupActivity", "sequenceB cb -> PlayMotionList(sequenceA, loop=true)")
                     //这里是播放完动画后的回调，再次切换到原来的 sequenceA
                     PlayMotionList(sequenceA, true, null)
                 }